Home / 11,691.27-16,134.32-6,655.36

Finding the Fourth Proportional to 11,691.27, 16,134.32 and 6,655.36

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Solution

The fourth proportional to 11,691.27, 16,134.32 and 6,655.36 is: 9,184.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,691.27 : 16,134.32 = 6,655.36 : x
  2. Step 2: Convert to fraction form
    11,691.27/16,134.32 = 6,655.36/x
  3. Step 3: Cross multiply
    11,691.27x = 16,134.32 × 6,655.36
  4. Step 4: Simplify right side
    11,691.27x = 107,379,707.96
  5. Step 5: Solve for x
    x = 107,379,707.96/11,691.27
  6. Step 6: Final answer
    x = 9,184.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.